/Engine/Plugins/FX/Niagara/Source/NiagaraEditor/Public/NiagaraParameterMapHistory.h
void RegisterConstantPin ( const [FGraphTraversalHandle](API\Plugins\NiagaraEditor\FGraphTraversalHandle) & InTraversalPath, const [FPin](API\Plugins\NiagaraEditor\TNiagaraParameterMapHistory\FPin) * InPin, const [FString](API\Runtime\Core\Containers\FString) & InValue )